ATC may assign FL280 NO-PDC to qualifying successive aircraft departing WSSS on ATS route N571.

A2382/26

PERM

Checking status...

OpsFlight Procedures

2026-08-08 00:00 - PERM

Duration:PERMANENT

Period of Applicability

2026-08-08 00:00 - PERM

Timeline Visualization

Get instant access to visual timeline analysis and NOTAM scheduling information with Notamify Pro.

7 days free trial, then $24.9/month. Cancel anytime.

Interpretation

For flights departing WSSS on ATS route N571, ATC may assign FL280 NO-PDC to two successive RNP 2/RNP 4-approved aircraft operating with 5-minute longitudinal separation, provided both aircraft are ADS-C and CPDLC equipped, meet RSP180 and RCP240 performance specifications, and there is no closing speed between the succeeding and preceding aircraft. This procedure references AIP Singapore ENR 1.8 paragraph 4.2.4 and AD 2 WSSS 2.22 paragraph 9; corresponding amendments will be incorporated.

Map Visualization

No map data available

Loading map data

Please wait...

Raw NOTAM

A2382/26 NOTAMN
Q)WSJC/QXXXX/IV/BO/AE/000/999/0122N10359E025
A)WSSS B)2608080000 C)PERM
E)FLIGHTS DEPARTING WSSS ON ATS ROUTE N571: ATC MAY ASSIGN FL280
NO-PDC TO TWO SUCCESSIVE RNP 2/RNP 4-APPROVED AIRCRAFT OPERATING ON
ATS ROUTE N571 WITH 5-MINUTE LONGITUDINAL SEPARATION, PROVIDED THAT:
(I) BOTH AIRCRAFT ARE ADS-C AND CPDLC EQUIPPED.
(II) BOTH AIRCRAFT MEET THE RSP180 AND RCP240 PERFORMANCE
SPECIFICATIONS, AND
(III) THERE IS NO CLOSING SPEED BETWEEN THE SUCCEEDING AND PRECEDING
AIRCRAFT.
RMK REF AIP SINGAPORE ENR 1.8, PARA 4.2.4 AND AD 2 WSSS 2.22, PARA 9.
CORRESPONDING AMENDMENTS WILL BE INCORPORATED.

Was this helpful?